<script setup name="Person234" lang="ts">
let name = '张三'
let age = 18
let sex = '男'
let tel = '123456789'
let address = '北京管庄区'

function changeName() {
  console.log(1)
  name = '李四' // 注意，这样修改name，并不是响应式数据，所以不会更新页面
  console.log(name)
}

function changeAge() {
  console.log(2)
  age += 1
  console.log(age)
}

function showTel() {
  console.log(3)
  alert(tel)
  console.log(tel)
}
</script>

<template>
  <div class="person">
    <p>姓名：{{ name }}</p>
    <p>年龄：{{ age }}</p>
    <p>性别：{{ sex }}</p>
    <p>地址：{{ address }}</p>
    <button @click="changeName">修改名字</button>
    <button @click="changeAge">修改年龄</button>
    <button @click="showTel">查看联系方式</button>
  </div>
</template>

<style scoped>
.person {
  background-color: skyblue;
  box-shadow: 0 0 10px #000;
  border-radius: 10px;
  padding: 20px;
}

button {
  margin: 0 5px;
}
</style>